OpenTechnical

OT-2026-000004785

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six outlet manifold, ejector fed, contact triggered

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000004785) never changes.

Identity and time

Publication numberOT-2026-000004785 · never reused
Internal UUID01a0a923-479c-72ad-94dc-a3ab593a95d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:34:16.735547Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000004785
StatusPUBLIC

Content hashes

Canonical textbe6e257280aac1c7bbd338ea6613dc6f074563cbaf4afdf59a7cb3d3074ddb4e
Markdownd5202d8b5e8815032dbe8f3af0f9877ad7345200dc7dfac9c34cae3b76733a35
PDF
Publication page46ba3a9cb316d99e4fda27f7c7584d8911a2bf73c54d98f9f80854ce48f16791
Manifest2df198f433393da0bcc84751ae94849eeda3dc6c58d1e880c79a3241db26ce6a

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureCJvB1qVXpyp/HozLlXoBPb0JCpRg8qcdvOuPFWTk8r/jv3BoulNkabAqHb0b4T2IKX3QyMNddlOfQDtCIkKvAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:47:02Z
batch OT-TS-2026-W38-010 · RFC 3161 token · inclusion proof
root e1b42dfa4cd0fb1e3e472afd2db961c2...

Independent retrieval

2026-09-16T07:40:19.209393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004785
observed 46ba3a9cb316d99e4fda27f7c7584d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.195978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004785/manifest.json
observed 2df198f433393da0bcc84751ae94849e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.182816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004785/publication.md
observed d5202d8b5e8815032dbe8f3af0f9877a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:40:19.168277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000004785/publication.txt
observed be6e257280aac1c7bbd338ea6613dc6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.